[Bf-funboard] blur on reflections

Martin Poirier bf-funboard@blender.org
Tue, 17 Aug 2004 12:14:53 -0700 (PDT)


--- alex <alex@schnittenparadies.de> wrote:
> 
> Another thing: Did you try to use Nor textures to
> imitate the effect? In
> actual metal, it in fact _is_ the rough surface that
> gives the blurry effect,
> so why not try to mimic it, especially with the
> improved OSA.
> 
> I don't know if that gives usable results, though.

the roughness of brushed metal would mostly likely be
subpixel size, so you'd have troubles getting a
"foggy" reflection with bump maps.

That's something that would be accomplished by diffuse
raytracing though. (there was someone working on that
IIRC).

Martin

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